Model

* adds new model and mixin
* adds new functionality for Mailer class for sending resubmission mails

templates/email/resubmission/resubmission.html

@@ -0,0 +1,29 @@
+{% load i18n %}
+
+<div>
+    <h2>{% trans 'Resubmission' %}</h2>
+    <h4>{{obj_identifier}}</h4>
+    <hr>
+    <article>
+        {% trans 'Hello ' %} {{resubmission.user.username}},
+        <br>
+        <br>
+        {% trans 'you wanted to be reminded on this entry.' %}
+        <br>
+        {% if resubmission.comment %}
+            <br>
+            {% trans 'Your personal comment:' %}
+            <br>
+            <article style="font: italic">"{{resubmission.comment}}"</article>
+        {% endif %}
+        <br>
+        <br>
+        {% trans 'Best regards' %}
+        <br>
+        KSP
+        <br>
+        <br>
+        {% include 'email/signature.html' %}
+    </article>
+</div>
+